package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * /**
 * 套餐管理
 */
@RestController
@RequestMapping("/setmeal")
@Slf4j
@Api(tags = "套餐相关接口")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    /*
     * /新增套餐
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    @ApiOperation(value = "新增套餐接口")
    public R<String> save(@RequestBody SetmealDto setmealDto) {

        log.info("套餐信息：{}", setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }

    /**
     * /套餐分页查询
     * /@param page
     * /@param pageSize
     * /@param name
     * /@return
     */
    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)
    })
    public R<Page> page(int page, int pageSize, String name) {
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page, pageSize);
        Page<SetmealDto> dtoPage = new Page<>(page, pageSize);
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        lqw.like(name != null, Setmeal::getName, name);
        //添加排序条件，根据更新时间降序排列
        lqw.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo, lqw);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo, dtoPage);
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item, setmealDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            String categoryName = category.getName();
            setmealDto.setCategoryName(categoryName);
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     * /删除套餐
     * /@param ids
     * /@return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    @ApiOperation(value = "套餐删除接口")
    public R<String> delete(@RequestParam List<Long> ids) {
        log.info("删除套餐参数，ids:{}", ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     *
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId + '_' + #setmeal.status")
    @ApiOperation(value = "套餐条件查询接口")
    public R<List<Setmeal>> list(Setmeal setmeal) {
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.eq(setmeal.getCategoryId() != null, Setmeal::getCategoryId, setmeal.getCategoryId());
        lqw.eq(setmeal.getStatus() != null, Setmeal::getStatus, setmeal.getStatus());
        lqw.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(lqw);
        return R.success(list);
    }

    /*
     * 修改套餐回显数据
     *
     * */

    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id) {
        SetmealDto setmealDto = setmealService.getByIdWithFlavor(id);
        return R.success(setmealDto);
    }

    /**
     * /修改菜品
     * /@param dishDto
     * /@return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto) {
        log.info(setmealDto.toString());
        setmealService.updateWithFlavor(setmealDto);
        return R.success("修改菜品成功");
    }

    /*
     * 起售停售
     * */
    @PostMapping("/status/{status}")
    public R<List<Setmeal>> status(@PathVariable Integer status, @RequestParam List<Long> ids) {
        LambdaQueryWrapper<Setmeal> lqw = new LambdaQueryWrapper<>();
        lqw.in(Setmeal::getId, ids);
        List<Setmeal> list = setmealService.list(lqw);
        if (status == 1) {
            list = list.stream().map((item) -> {
                item.setStatus(1);
                return item;
            }).collect(Collectors.toList());
        } else {
            list = list.stream().map((item) -> {
                item.setStatus(0);
                return item;
            }).collect(Collectors.toList());
        }
        setmealService.updateBatchById(list);
        return R.success(list);
    }
}

